Staging Environment: Content and features may be unstable or change without notice.
Advisory details: github_osv / GHSA-2w79-r9g8-wmcr
Advisory ID github_osv/GHSA-2w79-r9g8-wmcr
Aliases CVE-2026-41400
Summary OpenClaw: Voice-call still parses large WebSocket frames before start validation (Incomplete fix for CVE-2026-32062) ## Summary Incomplete fix for CVE-2026-32062: voice-call still parses large WebSocket frames before start validation ## Current Maintainer Triage - Normalized severity: medium - Assessment: v2026.3.28 still parses oversized pre-start voice-call WebSocket frames before start validation, and the unreleased maxPayload fix confirms the shipped resource-consumption bug remains open. ## Affected Packages / Versions - Package: `openclaw` (npm) - Latest published npm version: `2026.3.31` - Vulnerable version range: `<=2026.3.28` - Patched versions: `>= 2026.3.31` - First stable tag containing the fix: `v2026.3.31` ## Fix Commit(s) - `9abcfdadf591bf266d85fbdfe14ae833e557a110` — 2026-03-31T19:47:10+09:00 OpenClaw thanks @Kazamayc for reporting.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (2)
CWE-770 Allocation of Resources Without Limits or Throttling
CWE-400 Uncontrolled Resource Consumption
System Score Found at
cvssv3.1 5.3 https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-2w79-r9g8-wmcr/GHSA-2w79-r9g8-wmcr.json
cvssv4 6.9 https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-2w79-r9g8-wmcr/GHSA-2w79-r9g8-wmcr.json
generic_textual MODERATE
Reference id Reference type URL
https://github.com/openclaw/openclaw
https://github.com/openclaw/openclaw/commit/9abcfdadf591bf266d85fbdfe14ae833e557a110
https://github.com/openclaw/openclaw/releases/tag/v2026.3.31
https://github.com/openclaw/openclaw/security/advisories/GHSA-2w79-r9g8-wmcr
https://www.vulncheck.com/advisories/openclaw-resource-consumption-via-oversized-websocket-frames-in-voice-call
CVE-2026-41400 https://nvd.nist.gov/vuln/detail/CVE-2026-41400
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Found at https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-2w79-r9g8-wmcr/GHSA-2w79-r9g8-wmcr.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N Found at https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-2w79-r9g8-wmcr/GHSA-2w79-r9g8-wmcr.json
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2026-04-30T12:52:26Z/

Decision: Track

Source URL: https://github.com/cisagov/vulnrichment/blob/develop/2026/41xxx/CVE-2026-41400.json

Source Advisory: vulnrichment/CVE-2026-41400

View SSVC decision tree 
[{'Exploitation': 'none'},
 {'Automatable': 'yes'},
 {'Technical Impact': 'partial'},
 {'Mission Prevalence': 'minimal'},
 {'Public Well-being Impact': 'material'},
 {'Mission & Well-being': 'medium'}]